First person to use this name on MO: Nathan Wilson
Editors: Danny Newman, Tim Sage, Joseph D. Cohen, Jacob Kalichman, GALL Alain
Observations of:
this name (22)
this taxon, other names (0)
this taxon, any name (22)
Rank: Family
Status: Accepted
Name: Tricholomataceae
Author: R. Heim ex Pouzar
Citation: Česká Mykol. 37(3): 175 (1983)
Genera:
Albomagister
Corneriella
Dennisiomyces
Leucopaxillus
Pogonoloma
Porpoloma
Pseudotricholoma
Tricholoma
source: Sánchez-García et al. (2014). Deconstructing the Tricholomataceae (Agaricales) and introduction of the new genera Albomagister, Corneriella, Pogonoloma and Pseudotricholoma. Taxon, 63(5), 993–1007. doi:10.12705/635.635.3
Also see Mus. barcin. Scient. nat. Op., Ser. Bot. 15(3): 88 (1934) / Pouzar, Z. 1983. Taxonomic and nomenclatural notes on some families of larger fungi. Ceská Mykologie. 37(3):172-176
Comments
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Resupinatus, which does not belong in the Pleurotaceae. Agaricales incertae sedis is fine.

Genera that MO currently classifies in, or Sánchez-García (2014)1 classisifies in, Tricholomataceae, and their family per Sánchez-García, and M.Q. He (2019)2.
I propose conforming the MO family to match He.2
Please post any corrections or comments.
MO | Identifier | family per Sánchez-García | family per M.Q. He |
Albomagister | [#807772]: IF, MB | Tricholomataceae | Tricholomataceae |
Asproinocybe | [#17107]: IF, MB | not mentioned | incertae sedis |
Corneriella | [#808480]: IF, MB | Tricholomataceae | Tricholomataceae |
Dennisiomyces | [#17485]: IF, MB | Tricholomataceae | Tricholomataceae |
Infundibulicybe | [#28751]: IF, MB | unresolved residual Tricholomatoid clade3 | incertae sedis |
Leucopaxillus | [#17969]: IF, MB | Tricholomataceae | Tricholomataceae |
Pogonoloma | [#807897]: IF, MB | unresolved residual Tricholomatoid clade3 | Pseudoclitocybaceae |
Porpoloma | [#18354]: IF, MB | Tricholomataceae | Tricholomataceae |
Pseudobaeospora | [#18384]: IF, MB | not mentioned | Tricholomataceae |
Pseudoporpoloma | [#815366]: IF, MB | not mentioned | Tricholomataceae |
Pseudotricholoma | [#807899]: IF, MB | Tricholomataceae | Tricholomataceae |
Resupinatus | [#18455]: IF, MB | not mentioned | Pleurotaceae |
Tricholoma | [#18677]: IF, MB | Tricholomataceae | Tricholomataceae |
1 Sánchez-García et al. (2014). Deconstructing the Tricholomataceae (Agaricales) and introduction of the new genera Albomagister, Corneriella, Pogonoloma and Pseudotricholoma. Taxon, 63(5), 993–1007. doi:10.12705/635.635.3
2 Mao-Qiang He, et al., Notes, outline and divergence times of Basidiomycota. Fungal Diversity 99(1): 105–367 (2019). https://doi.org/10.1007/s13225-019-00435-4
3 I can’t tell if Sánchez-García intend to classify this in Tricholomataceae.

Taxonomists are.
The short list in that paper is (basically) right.


the very limited genera included in Sanchez-Garcia et al. with the much longer list at MB:
Thanks for taking the time to review my long comment.
1. Re Resupinatus. I see the following in He:
and
Am I misreading this?
2. Re incertae sedis. In the MO Classification, I’ll try adding “Family: incertae sedis”. But I think MO won’t accept that, in which case I’ll leave family blank.